v2.0.0: fixed various crash bugs

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/Bones.java

@@ -76,7 +76,8 @@ public class Bones {
 				case 0:
 					item = hero.belongings.weapon;
 					//if the hero has two weapons (champion), pick the stronger one
-					if (hero.belongings.secondWep != null && hero.belongings.secondWep.trueLevel() > item.trueLevel()){
+					if (hero.belongings.secondWep != null &&
+							(item == null || hero.belongings.secondWep.trueLevel() > item.trueLevel())){
 						item = hero.belongings.secondWep;
 						break;
 					}

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/hero/abilities/duelist/ElementalStrike.java

@@ -166,7 +166,10 @@ public class ElementalStrike extends ArmorAbility {
 				Ballistica.STOP_SOLID | Ballistica.STOP_TARGET);
 
 		KindOfWeapon w = hero.belongings.weapon();
-		Weapon.Enchantment enchantment = ((MeleeWeapon) w).enchantment;
+		Weapon.Enchantment enchantment = null;
+		if (w instanceof MeleeWeapon) {
+			enchantment = ((MeleeWeapon) w).enchantment;
+		}
 		Class<?extends Weapon.Enchantment> enchCls = null;
 		if (enchantment != null){
 			enchCls = enchantment.getClass();
@@ -182,6 +185,7 @@ public class ElementalStrike extends ArmorAbility {
 			);
 		}
 
+		Weapon.Enchantment finalEnchantment = enchantment;
 		hero.sprite.attack(target, new Callback() {
 			@Override
 			public void call() {
@@ -198,7 +202,7 @@ public class ElementalStrike extends ArmorAbility {
 					}
 				}
 
-				preAttackEffect(cone, hero, enchantment);
+				preAttackEffect(cone, hero, finalEnchantment);
 
 				if (enemy != null){
 					AttackIndicator.target(enemy);
@@ -207,9 +211,9 @@ public class ElementalStrike extends ArmorAbility {
 					}
 				}
 
-				perCellEffect(cone, enchantment);
+				perCellEffect(cone, finalEnchantment);
 
-				perCharEffect(cone, hero, enemy, enchantment);
+				perCharEffect(cone, hero, enemy, finalEnchantment);
 
 				Invisibility.dispel();
 				hero.spendAndNext(hero.attackDelay());

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/scenes/GameScene.java

@@ -1271,6 +1271,7 @@ public class GameScene extends PixelScene {
 	}
 
 	public static void flash( int color, boolean lightmode ) {
+		if (scene != null) {
 			//greater than 0 to account for negative values (which have the first bit set to 1)
 			if (color > 0 && color < 0x01000000) {
 				scene.fadeIn(0xFF000000 | color, lightmode);
@@ -1278,6 +1279,7 @@ public class GameScene extends PixelScene {
 				scene.fadeIn(color, lightmode);
 			}
 		}
+	}
 
 	public static void gameOver() {
 		if (scene == null) return;

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/ui/HeroIcon.java

@@ -64,7 +64,7 @@ public class HeroIcon extends Image {
 	public static final int CHALLENGE       = 28;
 	public static final int ELEMENTAL_STRIKE= 29;
 	public static final int DUELIST_3       = 30;
-	public static final int RATMOGRIFY      = 33;
+	public static final int RATMOGRIFY      = 31;
 
 	public HeroIcon(HeroSubClass subCls){
 		super( Assets.Interfaces.HERO_ICONS );